"It's a sudden development of weakness or numbness on one side of the body or the other. Or sudden changes in vision. It can be sudden changes in their ability to understand language or to be able to speak themselves," said Tarrel said.

Emma will be honored again on Saturday, May 17 at the annual Minnesota Stroke Association "Strides for Stroke" walk.

The event starts at 9:45 a.m. at Battle Creek Regional Park in St. Paul. Click here to learn more.